Thread control for weft replenishing looms



March 3, 1953 R. G. TURNER 2,630,142

THREAD CONTROL FOR WEFT REPLENISHING LOOMS Filed April 7, 1951 2SHEETSSHEET l INVENTOR 'RlGHARD G.TURNER ATTORNEY March 3, 1953 R. G.TURNER 2,630,142

THREAD CONTROL FOR WEFT REPLENISHING LOOMS Filed April 7, 1951 2SHEETS-SHEET 2 65 f FIG. 7

III 75 57 23 6 76 35 35 5 24 l 23 FIG."

INVENTOR RICHARD G.TURNER $4M FM ATTORNEY Patented Mar. 3, 1953 U N ITED STATES T O F F I C E V 2330,1212 THREAD CONTROL; FOR'WEFT-REPLENISHING LOOMS Richard-G."Turner, Worcester, "Mass as'signor ftoommpm Knowles Loom 'Works,.Worcester, Mass, a corporation ofMassachusetts :Applicationrhpril 7, 1951,Seria'l No. 219,778

14 Clainis.

This invention relates ,to improvements in weft replenishing looms andit isthe-genera l ob ject of the invention to provide improved means toeffect removal of the thread left-bytheincoming bobbin incident to -aweft replenishing operation of the loom. I r i a In a known type ofbobbin changing loom picking of a freshly replenished shuttle ordinarilyleaves a thread extending from a pneumatic thread holder into the warpshed. Qntthe -next beat-up of the lay after replenishmentpart of thisthreadis incorporated into the fabric and the remainder of it, extendingfrom the cloth selvage to the thread holder, is placed overca stationaryretainer or hook At some later time in the 100m operation the thread isout at the selvage and should be removed pneumatically by the threadholder toprevent it from beingdragged into the Warp shed. When thethread iscoarse or hairy difficulty is experienced in retrieving it bythe pneumatic thread holder due partly toits length and also to the factthat it is likelyto stick to adjacent threads. i a

It is an important object of the .present invention to provide twopneumatic controls for the thread of the incoming bobbin, one controlbeing relatively near the selvage and the other being the aforesaidthread holder located beyond; the magazine with respect to the cloth,and provide means for cutting the thread between the pneumatic controlsso that each ofthe controls can remove a part of it, thereby reducingthe length of thread to be removed by the threadholder Heretofore I haveproposed a thread control system wherein thread cutter mechanism 15 provided to cut the incoming thread in the event that it becomes entangledormatted with the outgoing thread at the time of cutting at the selvaze, but that control depends for its cutting operation upon entanglementof the incoming and outgoing threads, and will not cut the incomingthread unless the latter has been .moved to an abnormal position by theoutgoing thread due to the fact that the two threads are. entangled. Itis another object of the present invention to provide 'a thread cutterto cut the iricoming thread when the latter is in its normal positionfollowing the first beat-up after a replenishing operation. This featureo f'the invention will operate whether or not there is matting of thetwo threads when they 'are cut at the selvage. V i a I i It is a furtherobject of the invention to locate the aforesaid stationary hooker threadretainer between the two pneumaticr devices-so that the part of theincoming thread extending from the retainerto the selvage can falltoward the intake mouth of the pneumatic remover device near thecloth-when the thread is out at the selvage.

Itisa still further objeot of the invention to provide a threadcutterwhich in the preferred form of the invention will include a cuttingblade on the Ybobbintransferrer arm for cooperation with a surface oranvil below the thread to out the latter incident to a replenishingoperation. The cutter is preferably mounted for yielding motion withrespect to the transferrer arm and is br'ou'ght 'into action as thelatter nears the bottom of its bobbin transferring stroke. The anvil canconveniently be located on the lay to move forwardly to a position underthe thread for cooperation with lthe thread cutter as the lay beats upone bobbin changing operationof the loom. In this feature of theinvention the anvil is preferably through not necessarily locatedbetween the stationary retainer hook and the pneumatic thread holder,and an incoming thread placed over'thehook incident to onereplenishingoperation will be cut on the next replenishing operation.

The pneumatic device adjacent to the cloth may conveniently take theform of a thread removerfor the outgoing thread, in which event it willbe associated with movable hook means such as shown in my prior PatentNo. 2,194,531 to draw the thread of the outgoing bobbin forwardly whereit .can be drawn into the mouth of the pneumatic thread remover. Whenthe incoming thread is cut at the selvage it is likely to wrap around"the movable hook so that it cannot be drawn into the remover. In orderto prevent this wrapping of the thread it is a further object "of theinvention to provide a guard or the like which will prevent entanglementof the inconting thread with the movable hook.

In the modified form of the invention the thread cutter is of thescissor type operated by the transferrer arm and does not require theafore said anvil. The cutter of the modified form, however, will cut theincoming thread at a point along the course which it normally occupies.

In the accompanying drawings, wherein two forms of "the invention areset forth,

Fig. 1 is a side elevation of a weft replenishing mechanism and adjacentparts having the preferred form of the invention applied thereto, partsof the structure being in cross section,

Fig. 2 isa plan View looking in the direction of arrow 2, Fig. 1, withthe lay on front center positionon a non-transferring beat of the loom,

Fig.8 is :an enlarged vertical section on line 3--3, Fig. 2,

Fig. 4 is a section on line 4-4, Fig. 3,

Fig. 5 is an enlarged vertical section on line 55, Fig. 2,

Fig. 6 is a vertical section on line 6-43, Fig. 5,

Fig. 7 is a vertical section on line 1-1, Fig. 6,

Fig. 8 is an enlarged vertical section on line 88, Fig. 1, showing thethread cutter of the preferred form on the transferrer arm in normalposition with respect thereto,

Fig. 9 is a horizontal section on line 99, Fig. 8,

Figs. 10, 11 and 12 are diagrammatic views showing the parts of thepreferred form of the invention in different positions,

Fig. 13 is a diagrammatic side elevation showing the cutter of thepreferred form on the transferrer arm engaging the cutting anvil on thelay incident to a weft replenishing operation,

Fig. 14 is a view similar to part of Fig. 1 showing a modified form ofthread cutter,

Fig. 15 is a diagrammatic view similar to Fig. 12 showing the positionof the modified cutter mechanism with respect to the thread holder andthe stationary thread hook, and

Fig. 16 is a diagrammatic front elevation showing a lay adapted for twoshuttles with either or both of which the invention can be used.

Referring particularly to Figs. 1 and 2, the loom frame I supports astand 2 on which a magazine M is pivoted as at 3. The magazine has frontand back stacks of reserve bobbins 4 and 5, respectively, which movedownwardly by gravit to their respective transfer positions and haveattached to them weft threads W leading to a pneumatic thread holderdevice H. The loom has a lay 6 provided with a shuttle box 1 to receiveeither of two shuttles S or SI, one at a time, see Fig. 16. Pickingmechanism shown generally at 8 i provided for picking the shuttle out ofthe shuttle box 1.

The front wall of the shuttle is provided with a metallic plate [0across which extends the thread T of bobbin B in the shuttle. On abobbin changing beat of the lay this plate cooperates with a cutterblade I l controlled by the transferrer arm to cut the outgoing threadOT shown in Fig. 10 and being the last part of the thread T attached tobobbin B when the latter is replaced in wellknown manner by a bobbinfrom the magazine. A bobbin transferrer arm I2 is pivoted on stationarypivot stud l3 fixed with respect to the stand 2. A latch l4 forming partof the transferrer arm is normally below the path of a hunter IS on thelay, but on a weft replenishing beat of the loom the latch is raised inknown manner to be engaged by the hunter to effect downward motion ofthe transferrer arm, or motion in a counter-clockwise direction asviewed in Fig. 1, as the lay beats up while moving to the right asviewed in Fig. 1. The transferrer arm will move the lowest reservebobbin under it into the shuttle in box I and expel the depleted bobbinon a replenishing beat of the loom.

When a fresh bobbin is inserted into a shuttle its incoming thread orweft end IT will extend from it to the pneumatic thread holder device H,which serves also as a thread remover, and when the replenished shuttleis picked this incoming thread IT will be carried into the warp shed onthe first picking operation after replenishment. On the next beat-up ofthe lay that part of the incoming thread in the shed will beincorporated into the fabric and the remainder of it will extend fromthe selvage of the fabric F to the thread holder H.

The lay is provided with a front wall 20 to which is secured a forwardlyextending thread placer 2|, see Fig. 7, having a thread advancin edge 22under a hook 23 which limits upward motion of the thread IT with respectto the thread placer. The loom also has a stationary thread retainer,such as a book 24, having an upwardly and forwardly inclined surface 25leading to a thread notch 26 which will be somewhat above the hook 23when the lay is on front center.

On the first beat-up of the lay after a bobbin changing operation theincoming thread IT will be engaged by the surface 22 and will be movedforwardly and up along the surface 25 of the stationary retainer 24.Since the pneumatic holder H will hold thread IT taut under theseconditions the thread IT will remain in engagement with the threadplacer and will rise along the surface 25 and fall into notch 26 as thelay reache front center position. On the next backward motion of the laythe placer 2| will move away from the thread IT and the latter will thenextend along its normal path or course from the cloth selvage 21 overretainer 24 to the'thread holder H. On the following beat-ups of the laythe hook 23 will traverse a path below the thread IT. 7

The loom is provided near the selvage 21 with selvage thread cuttermechanism designated at 30 normally set forward of the reed SI of thelay. This cutter mechanism 30 will eventually out both of the threads OTand IT, ordinarily on a forward beat of the lay, after the cloth by itsfor- Ward motion has moved these thread into the range of operation ofthe selvage cutter. Both of these threads should be removed from theloom to prevent them from being drawn into the warp shed.

A pneumatic thread remover device R somewhat similar to the removershown in my prior Patent No. 2,194,531 is mounted in stationary positionand performs the function described in that patent of attracting firstthat part of the outgoing thread OT extending from the cutter blade I Ito the remover R, and then subsequently removing the remainder of thisthread which extends from the remover to the thread cutter 30 when thelatter cuts the thread at the selvage.

There is provided a movable thread hook means 32 which is normally inforward position but is moved rearwardly under the outgoing thread OT ona replenishing beat of the loom and then moves the thread forwardlytoward the remover R. In the present instance the hook derives this backand forth motion from the shuttle'position detector or revoker arm 33which is part of the replenishing mechanism and may operate for instanceas shown in prior Patent No.

Except as noted hereinafter the mechanism thus far described is of usualconstruction and operates in the ordinary manner.

In carrying the preferred form of the invention into effect the frontshuttle box Wall 20 has secured thereto at 34 an anvil 35 having anupwardly facing surface 36 across which the incoming thread IT whenfollowing its normal course will extend from the retainer hook 24 to thethread holder H when the lay is on front center position. The anvil,which may be made of steel, is part of an additional or second threadcutter mechanism designated generally at 31 spaced farther from theselvage than the selvage cutter mechanism 30 and locatedpreferablybetween the retainer and holder H. The cutter mechanism 31includes a guide bracket 38 secured asat 39 to the transferrer arm l2,see Fig. 13. Mounted for vertical sliding movement in the bracket 38is arod 40 having secured thereto a collar 4| located between upper andlower slide bearings 42 and 43 of the support 38. A compression spring44" between bearing 42 and collar 4| normally urges the rod 40downwardly as shown for instance inFig. 8. A cutter b1ade4'5 is mountedfor limited angular motion on the bottom of rod 48 by means of a pin 45.The cutter blade is normally in its raised inoperative position but willdescend with the transferrer arm on a bobbin changing beat of the loomto cause the cutter blade 45 to engage the surface 35 of the anvil ashort time beforethe lay reaches front center and cut thread ITextending across the anvil.

The thread remover deviceR, see Fig. 3, is hollow to provide an air andthread passage 50 the lower rear end of which opens to the atmospherethrough a thread intake mouth 51 below the thread IT. Passage 50 is in atubular member 52 secured to a depending arm 53 slotted as at 54 andheld by a screw 55 to an arm 56, see Fig. 4. The latter arm is part of acarrier designated generally at 51 and shown in Fig. 5. This carrier hasa hub 58 mounted on the previously mentioned stud l3 and secured theretoin angularly readjusted position by a screw 59. The upper part oftubular member 52 is fitted to a hose 5% leading to a source ofsu'batmospheric pressures (not shown) preferably the same source towhich thread holder H isconnected. This source may be a pump such as isshown in previously mentioned Patent No. 2,194,531.

A guard 65 for hook 32 is held in adjusted position in bearing 66 oncarrier 57 by a set screw 51. The guard may beformedas arod having'ahole 58 in the lower end thereof to receive the point 69 of hook 32.Under normal conditions the guard 65 will be in the position shown inFig. 5 with its lower end close to but preferably spaced slightly fromthe point of'h-ook 32 whenthe latter is in its normal forward position.When hook 32 moves rearwardly it leaves the guard and if it should haveany excess movement when returning to its forward position the point 59will enter hole 68.

When the lay is on front centeron abobbin changing operation the partswill bein the position shown in Fig. with the hook 3'2 and revoker 33 inrear position, and the cutter'blade ll against plate ll] of the shuttleto cut the outgoing thread OT. After thefreshly replenished shuttle ispicked to the opposite side of the loom the parts will be as shown inFig. 11 with the hook 32 returned to its normal forward position to movethread OT to the intake mouth 5| and thread IT extending from holder I-Iinto the warp shed W. When the lay reaches front center on the followingbeat-up both threads OT and IT will be attached to the cloth selvage 21as shown in Fig. 12, thread OT extending into the remover R and threadIT extending across anvil 35 to the thread holder H.

The first beat-up of the lay after a bobbin replenishing operation willleave the thread IT extending from the stationary hook 24 to the selvageover the tubular member 52' above and forward of the intake mouth. Adownwardly and rearwardly directed thread guide leads to the intakemouth, this guide as shown herein being the inclined upper surface T5 ofthetubular member 52, as shown for instance in Fig. 12. The-cutting ofboth of the threads OT and IT by the cutter mechanism 30 will occurseveral picks aftera replenishing operation and generally while the hook32 is in its forward position. When the sewage cutter mechanism 30seVersthe thread IT that part of the latter extending from the retainer hook24 toward the selvage of the cloth will fall along guide surface 15 tothe intake mouth 52 and will be pneumatically drawn into the latter.Should the thread be resilient and when cut tend to spring or snaptoward hook 32 the guard 65 will prevent the thread from wrapping aroundthe hook.

The incoming thread IT will then be held pneumatically at two points asa result of the normal operation of the mechanism, one point being atthe pneumatic thread holder device H and the other at the pneumaticremover device R. The pneumatic tension on the two ends of this threadIT will hold it taut across the anvil 3.5. as the lay heats up. Thiscondition will prevail until the next bobbin transfer operation,whereupon descentof thetransferrer arm l2 will cause the cutter b1ade4'5to strike and sever the thread IT extending across surface 35. Thethread IT will then be in two parts one of which will be drawn into thepneumatic thread holder H and the other part, or remainder, will besucked into the remover R. These two parts of thread IT, each shorterthan the original thread IT, can be readily removed by their respectivepneumatic devices.

In order to prevent the threadI-T from'moving forwardly along surface3-6 out of the range of the cutting operation of blade 45 a thread stop15 is secured to the carrier 51 and is located preferably on the side ofthe anvil 35 between the latter and the thread holder H and forward ofthe thread IT. That part of the thread IT adjacent to the anvil when thelay is on front center is therefore positioned by the hook 24 and thestop 16 and will extend across the surface 36 W-ithinthe cutting rangeofblade 45.

My prior Patent No. 2,448,161 makes provision for cutting theincomingthread but only if part of it assumes an abnormal position asmight result from its becoming matted with the outgoing thread OT whencut by the selvage cutterand then drawn into a pneumatic thread remover.In the present instance the cutter blade 45 and surface 36, and also thethread remover R, are intentionally located along the normal path orcourse of thread IT extending from the selvage over hook 24 to thethread holder I-I. Because of thisrelation the incoming thread, whetheror not itis matted with the outgoing thread by thecutter mechanism 30,will be held pneumaticallyat two points and will be severed by a cuttermechanismlccated along its normal path.

The modified form of the invention utilizes a scissor type of threadcutter mechanism, designated' generally at 80, to replacethe anvil 35and blade 45. This cutter mechanism, shown in Figs. 14 and 15, may besimilar, except for its position relative to thread IT, to the cuttershown in my prior Patent No. 2,448,161.

Referring to Figs. 14 and 15, the transferrer arm has secured thereto asmall bearing stand .8! in which is held a stem 82 to which is secured acutter blade 83. A second blade 84 pivoted on the stem at 85 is normallyheld in open position relative to blade 83 by a spring 86. A flexibleactuator, such as a leather thong 81, is connected at one end to themovable blade and has its other end held in fixed position, as at 88.

The cutter mechanism is preferably located between hook 24 and threadholder H and will be in high inoperative post-ion when the transferrerarm is in its raised position. When the transferrer arm descends theblades 83 and 84 will straddle thread IT and then thong 81 will move themovable blade to its closed or cutting position to sever thread IT asthe transferrer arm reaches its low position. The modified cuttermechanism 89 will operate in substantially the same position as does thepreferred form to cut the thread IT between the points at which it ispneumatically held. In the modified form, which does not employ theanvil, the thread positioner To can be omitted.

When the invention is applied to a loom operating with two or moreshuttles which are active alternately it is possible for two weftreplenishing operations, and therefore two operations of the threadcutter mechanism 3? or 8B occur before the selvage cutter 30 hasopportunity to cut the first incoming thread corresponding to the firstreplenishing operation. Thus, if the shuttle S is replenished on a givenpick it will leave a thread extending from the thread holder to theselvage and if shuttle Si is replenished a short time later the threadleft by the first replenishing operation will be out between thepneumatic devices before the selvage cutter, which ordinarily cutsseveral picks after a replenishment, has had opportunity to cut thethread from the selvage. Under these conditions that part of the firstthreadextending from the cutter mechanism 31 or 30 to the selvage willfall along guide toward the intake mouth and be drawn into the latterwhile the thread is still attached to the selvage. Cutting by theselvage cutter a few picks later will then enable the part of the threadbetween the selvage and the remover device to be drawn into the latter.

While the previously described closely occurring successive transfersare not uncommon in a loom such as set forth herein the more likelyorder of operation is that a second replenishment will occur after theselvage cutter has cut the thread left by the first replenishment, inwhich event the first thread when out adjacent to the selvage, will fallalong guide 75 toward the intake mouth of the remover before the threadis cut by mechanism 37 or 86. It will thus be seen that depending uponthe time elapsing between two weft replenishing operations one or theother of the thread. cutting mechanisms will be the first to operate onthe thread left by the first shuttle replenished.

From the foregoing it will be seen that the invention sets forth simplemeans for holding the incoming thread pneumatically at two points alongits normal path and cutting the thread between these points 'by threadcutter mechanisms 37 or 80. It will further be seen that the pneumatioremover R is so located that it will always attract a part of theincoming thread as soon as the latter is released from the selvagewhether or not this thread has become entangled with the outgoingthread. That part of the incoming thread extending from the retainerhook 24 to the selvage will normally extend over the remover R and alsoover the guard 65, and when this thread is cut at the selvage it willfall along guide surface 75 toward the intake mouth 51 withoutlikelihood of becoming entangled with the hook 32. The inclined guidesurface '75 is shown herein on the tube 52, but this is not a necessaryrelation, since the guide could be separate from the remover R. Duringthe cutting of the incoming thread the anvil will have a slight back andforth motion with respect to the blade 45 which will assist in severingof the thread. It is to be under- 8 stood that the spring 44 will alwaysyield somewhat during a cutting operation of the blade 45 so that, thelatter will remain in engagement with the cutting surface 36 during anappreciable amount of back and forth motion of the lay while thetransferrer arm is in or near its lowest position. The cutter mechanism80, as well as the preferred form of cutter, will have a range ofcutting action located along the path of thread IT when the latter is inthe position it normally occupies after the first lay' beat up followinga bobbin changing operation. Also, whether the cutter 3D or 31 cuts theincoming thread first the guide I5 will enable the end of the threadover the remover to fall to the intake mouth.

Having thus described the invention it will be seen that changes andmodifications of the foregoing specific disclosure may be made withoutdeparting from the spirit and scope of the invention.

What is claimed as new is:

1. In a weft replenishing loom having a thread extending from apneumatic thread holder and remover to a retainer and thence to theselvage of the cloth after the first beat-up of the lay following abobbin changing operation, a pneumatic thread removing device having anintake mouth below that part of the thread extending from the retainerto the selvage, a selvage thread cutter mechanism cutting the thread atthe selvage, guide means under the thread along which that part of thethread between the selvage and the pneumatic device falls toward and isdrawn into said intake mouth, and a second thread cutting mechanismoperative to cut the thread between the pneumatic thread holder and thepneumatic device, the thread holder thereupon re moving that part of thethread between the sec ond thread cutter mechanism and the thread holderand the pneumatic device removing that part of the thread extending fromthe second thread cutting mechanism to said mouth.

2. The structure set forth in claim 1 wherein said second thread cuttingmechanism is located between said retainer and the pneumatic threadholder.

3. ihe structure set forth in claim 1 wherein said retainer is astationary hook and said sec and thread cutting mechanism is locatedbetween said hook and the pneumatic thread holder.

4. In a weft replenishing loom having a thread extending from apneumatic thread holder over a stationary retainer to the selvage of thecloth after the first beat-up of the lay following a bobbin changingoperation, a pneumatic thread remover device having a thread intakemouth, a thread guide extending downwardly and toward sai mouth underthat part of the thread extending from the retainer to the selvage, andthread cutting mechanism cutting the thread at a point between thepneumatic thread holder and said pneumatic thread remover device, thethread holder thereupon attracting the part of the thread extending fromthe cutting mechanism to the thread holder and the part of the threadbetween the cutting mechanism and the selvage falling along said guideto said intake mouth' and being drawn pneumatically into the latter.

5. In a weft replenishing loom having a thread extending from apneumatic thread holder over a stationary retainer to the selvage of thecloth after the first beat-up of the lay following a bobbin changingoperation, a pneumatic thread remover device in which subatmosphericpressures are created and having a downwardly and rearwardly inclinedthread guide surface leading to a thread intake mouth in the removerdevice, said surface being under that part of the thread leading fromthe retaining means to the selvage, and thread cutting mechanism to partthe thread between the thread holder and said pneumatic device, thethread holder thereupon attracting that part of the thread between thethread holder and the thread cutting mechanism and the part of thethread extending from the thread cutting mechanism to the selvagefalling downwardly and rearwardly along said surface on the threadremover device to said intake mouth to be drawn into the latter.

6. In a weft replenishing loom wherein a thread remains after a freshlyreplenished shuttle is picked following a replenishing operation of theloom, two pneumatic devices for said thread into one of which the threadextends and the other of which is intermediate the first device and thecloth selvage and has an intake mouth adjacent to the thread, and threadcutting mechanism intermediate said pneumatic devices cutting thethread, whereupon part of the thread is removed by the first device anda part of the remainder of the thread extending from the cuttingmechanism to the intake mouth is drawn into the latter.

7. The structure set forth in claim 6 wherein additional thread cuttingmechanism is provided at the selvage to out said remainder of the threadfrom the cloth being woven, said other device thereupon drawing thatpart of said remainder extending from the selvage to the intake mouthinto the latter.

8. In a weft replenishing loom wherein the outgoing bob-bin incident toa replenishing operation leaves a thread extending from the selvage andthe incoming bobbin leaves a thread extending from a pneumatic threadholder to the selvage on the first beat-up of the lay after weftreplenishment, a pneumatic thread remover between the thread holder andthe selvage having an intake mouth adjacent to said incoming thread,means moving the outgoing thread to a position adjacent to said intakemouth, whereupon part of the thread of the outgoing bobbin is drawnpneumatically into said mouth, and thread cutter mechanism intermediatethe thread holder and thread remover effective to cut the incomingthread, whereupon that part of the thread extending from the threadcutter mechanism to the thread holder is drawn into the latter and thatpart of the remainder of the incoming thread extending from the threadcutter mechanism to the intake mouth is drawn into the latter.

9. The structure set forth in claim 8 wherein additional cutting meansis located adjacent to the selvage and cuts both threads from theselvage, whereupon the remaining part of the outgoingthread and thatpart of the incoming thread extending from the selvage to the intakemouth are drawn into the latter.

10. The structure set forth in claim 8 wherein said means acting on thethread of the outgoing bobbin is a hook, and a guard is provided forsaid hook preventing either of said threads from wrapping around thehook.

11. In a weft replenishing loom in which a thread is left by a freshlyreplenished shuttle when it is picked, two thread cutting mechanisms,

one adjacent to the selvage of the cloth being woven and the other beingspaced from the selvage, and two pneumatic thread removing devices, onelocated intermediate said mechanisms and having an intake mouth for thethread and the other being beyond the other mechanism with reference tothe selvage, the thread extending from said other device over said onedevice to the selvage, the thread when out by said one mechanism fallingtoward and being drawn into said mouth and when out by the othermechanism being separated into two parts one of which is drawn into thefirst device and the other part of which is drawn into the other device.

12. The structure set forth in claim 11 wherein the loom has a lay and abobbin transferrer arm and said other of the thread cutting mechanismsincludes an anvil on the lay moving to a position under the thread asthe lay beats up and a cutter blade moved against the anvil by thetransferrer arm when the latter has a bobbin transferring operation.

13. The structure set forth in claim 11 Wherein the loom has a bobbintransferrer arm and said other of the thread cutting mechanisms includesscissor cutter blades moved to position to cut the thread and thenoperated to cut the thread by the transferrer arm when the latter has abobbin transferring operation.

14. In. a weft replenishing loom operating with two shuttles and whereinthe loom replenishes the weft of one of the shuttles on a given pick ofthe loom and replenishes the weft of the second shuttle on a subsequentpick, a pneumatic thread holder, a thread removing pneumatic devicebetween the thread holder and the selvage of the cloth being woven, theloom having a thread lying along a path extending from the thread holderover the pneumatic device to the selvage subsequent to the beat-upfollowing replenishment of the first shuttle, and two thread cuttermechanisms arranged along said path located on opposite sides of thepneumatic device, one of said cutter mechanisms being adjacent to theselvage and cutting said thread at the selvage several picks afterreplenishment of the first shuttle, the other cutter mechanism beinglocated between the remover device and the thread holder and cuttingsaid thread incident to replenishment of the second shuttle, the part ofsaid thread extending between the selvage and pneumatic device fallingtoward and being drawn into the latter if said one cutter mechanism cutssaid thread prior to replenishment of the second shuttle, and the partof said thread between the pneumatic device and said other cuttermechanism falling toward and being drawn into said pneumatic device ifthe second shuttle is replenished prior to cutting of said thread bysaid one cutter mechanism.

RICHARD G. TURNER.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 2,141,062 Drolet Dec. 20, 19382,416,803 Turner Mar. 4, 1947 2,457,952 Turner Jan. 4, 1949 2,551,189Wakefield May 1, 1951

